2,4-Dimethyl-1,2-dihydro-naphthalin, also known as 2,4-dimethyl-1,2-dihydronaphthalene, is an organic compound with the molecular formula C12H14. It is a colorless liquid with a strong aromatic odor and is derived from the naphthalene family. This chemical is characterized by the presence of two methyl groups (CH3) at the 2nd and 4th carbon positions, and it has a dihydro (partially hydrogenated) structure. 2,4-Dimethyl-1,2-dihydro-naphthalin is used as a synthetic intermediate in the production of various chemicals, including pharmaceuticals, agrochemicals, and dyes. Due to its potential health and environmental risks, it is important to handle 2,4-Dimethyl-1,2-dihydro-naphthalin with care and in accordance with proper safety guidelines.
The CAS Registry Mumber 5195-38-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,9 and 5 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 5195-38: (6*5)+(5*1)+(4*9)+(3*5)+(2*3)+(1*8)=100 100 % 10 = 0 So 5195-38-0 is a valid CAS Registry Number.